Convert Millicoulombs per cubic metre to Coulombs per US gallon
Convert Millicoulombs per cubic metre (mC/m³) to Coulombs per US gallon (C/gal (US)) instantly and accurately.
Conversion Formula
C/gal (US) = mC/m³ × 3.785411784e-6
About Millicoulombs per cubic metre
The millicoulomb per cubic metre (mC/m³) equals 10⁻³ C/m³, the scale for space charge in streamer discharge channels and moderately doped semiconductor depletion regions. Silicon doped at ~6×10¹⁵ /m³ carries depletion charge density ≈1 mC/m³; streamer plasma cores during lightning leader propagation have net charge densities of 0.1-10 mC/m³. 1 mC/m³ = 10⁻³ C/m³ = 10³ µC/m³.
About Coulombs per US gallon
The coulomb per US gallon (C/gal) equals exactly 1/(231×(0.0254)³) C/m³ ≈264.172 C/m³, used in electrochemical water-treatment and flow-battery engineering in North America. Electrocoagulation systems are specified by charge dosage in C/gal (US) of treated water; flow battery electrolyte charge state is monitored in C/gal in North American plant documentation. 1 C/gal (US) ≈264.172 C/m³.
Quick Reference Table
| Millicoulombs per cubic metre (mC/m³) | Coulombs per US gallon (C/gal (US)) |
|---|---|
| 1 mC/m³ | 3.785 × 10-6 C/gal (US) |
| 2 mC/m³ | 7.571 × 10-6 C/gal (US) |
| 5 mC/m³ | 1.893 × 10-5 C/gal (US) |
| 10 mC/m³ | 3.785 × 10-5 C/gal (US) |
| 25 mC/m³ | 9.464 × 10-5 C/gal (US) |
| 50 mC/m³ | 0.000189271 C/gal (US) |
| 100 mC/m³ | 0.000378541 C/gal (US) |